KDE ports:
- Convert to USES=tar:xz

devel/p5-perlqt, multimedia/kdemultimedia4-ffmpegthumbs:
- Convert LIB_DEPENDS to new style

devel/p5-perlqt, devel/p5-perlkde:
- Don't remove directories installed by perl port

net/kdnssd:
- moved to net/zeroconf-ioslave (renamed upstream)

x11/kdelibs4:
- Clean up non-standard shared mime files and directories after deinstall

The area51 repository features commits by Alonso Schaich
<alonsoschaich@fastmail.fm> and makc.